用于高层玻璃幕墙建筑的新型动态垂直光伏一体化建筑围护结构

邹武威, 汪琰, 田恩泽, 魏嘉泽, 彭晋卿, 莫金汉

工程（英文） ›› 2024, Vol. 39 ›› Issue (8) : 194-203.

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工程（英文） ›› 2024, Vol. 39 ›› Issue (8) : 194-203. DOI: 10.1016/j.eng.2024.01.014
研究论文
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用于高层玻璃幕墙建筑的新型动态垂直光伏一体化建筑围护结构

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A New Dynamic and Vertical Photovoltaic Integrated Building Envelope for High-Rise Glaze-Facade Buildings

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摘要

现代高层建筑广泛采用大面积玻璃幕墙，以实现引人注目的建筑美学效果。对于玻璃幕墙建筑而言，建筑美学、建筑能耗以及太阳能利用之间存在着固有矛盾。本研究通过引入一种新型动态垂直光伏一体化建筑围护结构（dvPVBE）来解决这些矛盾，该结构具有非凡的灵活性，能够根据天气变化调节百叶角度和位置，卓越的建筑美学效果以及显著的节能潜力。针对dvPVBE的不同应用场景，提出了三种分层控制策略：发电优先（PGP），自然采光优先（NDP）和节能优先（ESP）。此外，在dvPVBE的仿真中，对PGP和ESP策略进行了深入分析。通过EnergyPlus软件对一间集成了dvPVBE的办公室进行了建模。研究了在PGP和ESP控制策略下， dvPVBE对提高建筑能效的影响以及相应的最优百叶角度。结果表明，在北京地区应用dvPVBE可提供办公室全年能耗的131%，并且与静态光伏（PV）百叶窗相比，年净能源产出至少可提高226%。这种新型dvPVBE提供了一种有效调节热负荷、自然采光和光伏发电的可行方法。

Abstract

Substantially glazed facades are extensively used in contemporary high-rise buildings to achieve attractive architectural aesthetics. Inherent conflicts exist among architectural aesthetics, building energy consumption, and solar energy harvesting for glazed facades. In this study, we addressed these conflicts by introducing a new dynamic and vertical photovoltaic integrated building envelope (dvPVBE) that offers extraordinary flexibility with weather-responsive slat angles and blind positions, superior architectural aesthetics, and notable energy-saving potential. Three hierarchical control strategies were proposed for different scenarios of the dvPVBE: power generation priority (PGP), natural daylight priority (NDP), and energy-saving priority (ESP). Moreover, the PGP and ESP strategies were further analyzed in the simulation of a dvPVBE. An office room integrated with a dvPVBE was modeled using EnergyPlus. The influence of the dvPVBE in improving the building energy efficiency and corresponding optimal slat angles was investigated under the PGP and ESP control strategies. The results indicate that the application of dvPVBEs in Beijing can provide up to 131 % of the annual energy demand of office rooms and significantly increase the annual net energy output by at least 226 % compared with static photovoltaic (PV) blinds. The concept of this novel dvPVBE offers a viable approach by which the thermal load, daylight penetration, and energy generation can be effectively regulated.

关键词

气候响应式立面 / 建筑能效 / 动态光伏一体化建筑围护结构（PVBEs） / 光伏建筑一体化（BIPVs） /

Keywords

Weather-responsive facades / Building energy efficiency / Dynamic photovoltaic integrated building / envelopes (PVBEs) / Building-integrated photovoltaics (BIPVs)

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邹武威, 汪琰, 田恩泽. 用于高层玻璃幕墙建筑的新型动态垂直光伏一体化建筑围护结构. Engineering. 2024, 39(8): 194-203 https://doi.org/10.1016/j.eng.2024.01.014

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